期刊
INTERNATIONAL JOURNAL OF MATERIALS & PRODUCT TECHNOLOGY
卷 56, 期 1-2, 页码 169-186出版社
INDERSCIENCE ENTERPRISES LTD
DOI: 10.1504/IJMPT.2018.089116
关键词
concrete structures; self-healing; materials technology; blast furnace slag; BFS; mechanical properties; permeation properties; cement; crystalline admixture; Cat-X; construction material; cracks
Test samples were examined using a specific crystalline admixture, AR glass fibre and three types of cements with percentages of blast furnace slag (BFS) of 55%, 35% and 0%. Test specimens were loaded under compression until 90% of their failure load, in order to generate a network of micro-cracks. These samples were subsequently immersed in lime water to trigger the self-healing mechanism, followed by various tests at 28, 56 and 84 days. As BFS content ratio was increased to 55%, there was a noticeable increase in mechanical recovery and permeation reduction properties, indicating good self-healing.
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